commit 9d7d95c7c95da8b254e7f1364d4a705133a5252a
author Jim Wright <jlwright@us.ibm.com> Tue Nov 16 11:32:23 2021 -0600
committer Jim Wright <jlwright@us.ibm.com> Mon Nov 22 19:30:18 2021 -0600
tree 61b604f3db146bbbe1a1313a9f4ed6fbe45ae67e
parent 2916ea52b3d4c9ba0d0d90c1e33f333aeb720047

pseq: Call chassis hard power off on pgood fail

When chassis power good fails, call the chassis hard power off target.
This allows the components within to recognize that the power is now
off.

Signed-off-by: Jim Wright <jlwright@us.ibm.com>
Change-Id: I0adf6da3f9c1f0c84255b53c6abf0b3d66ef6e4c

phosphor-power-sequencer/src/power_control.cpp

diff --git a/phosphor-power-sequencer/src/power_control.cpp b/phosphor-power-sequencer/src/power_control.cpp
index fe844d5..7426932 100644
--- a/phosphor-power-sequencer/src/power_control.cpp
+++ b/phosphor-power-sequencer/src/power_control.cpp
@@ -17,6 +17,7 @@
 #include "power_control.hpp"
 
 #include "types.hpp"
+#include "utility.hpp"
 
 #include <fmt/format.h>
 
@@ -66,6 +67,7 @@
 {
     if (inStateTransition)
     {
+        // In transition between power on and off, check for timeout
         const auto now = std::chrono::steady_clock::now();
         if (now > pgoodTimeoutTime)
         {
@@ -78,6 +80,7 @@
     int pgoodState = pgoodLine.get_value();
     if (pgoodState != pgood)
     {
+        // Power good has changed since last read
         pgood = pgoodState;
         if (pgoodState == 0)
         {
@@ -91,8 +94,22 @@
     }
     if (pgoodState == state)
     {
+        // Power good matches requested state
         inStateTransition = false;
     }
+    else if (!inStateTransition && (pgoodState == 0))
+    {
+        // Not in power off state, not changing state, and power good is off
+        // Power good has failed, call for chassis hard power off
+        log<level::ERR>("Chassis pgood failure");
+
+        auto method =
+            bus.new_method_call(util::SYSTEMD_SERVICE, util::SYSTEMD_ROOT,
+                                util::SYSTEMD_INTERFACE, "StartUnit");
+        method.append(util::POWEROFF_TARGET);
+        method.append("replace");
+        bus.call_noreply(method);
+    }
 }
 
 void PowerControl::setPgoodTimeout(int t)